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Injection behaviour of fractured reservoirs at near wellbore and far field areas: a CFD study.

Oluyemi, Gbenga Folorunso; Kanin, Limniyakul; Nair, Arwin


Limniyakul Kanin

Arwin Nair


Flow partitioning in fractured reservoirs especially during injection and production operations poses a great challenge to the optimisation of these important field operations. For example, flow partitioning into the fracture from the matrix may limit production from a well if the drilling and completion design does not take into consideration the position and intensity of the fracture networks. In the same vein, during chemical injection into a fractured reservoir for remedial flow assurance related purposes, the injected chemical may be forced into fracture zones with relatively low flow resistance depriving the target zones of the much needed dosage of chemical. Though several solution options are available to the operators to solve some of these optimisation problems if known at the planning and design stage of field development, however, there are very few options available to them to evaluate the flow behaviour of their fractured reservoirs at both near wellbore and far field areas of the reservoirs. In this study, we used CFD to investigate the injection behaviour of fractured reservoirs at near wellbore and far field areas of the reservoir in both vertical and horizontal directions under conditions of near equal and widely varying fracture and matrix permeabilities. The results highlight the twin effects of vertical flow distance from the matrix sites to the fracture face and fracture/matrix permeability on pressure distribution and flow partitioning during injection operation. In addition, the results demonstrate the application of CFD as a potential tool for preliminary evaluation and characterization of fractured reservoirs.


OLUYEMI, G.F., KANIN, L. and NAIR, A. 2014. Injection behaviour of fractured reservoirs at near wellbore and far field areas: a CFD study. International journal of fluid mechanics research [online], 41(6), pages 536-546. Available from:

Journal Article Type Article
Acceptance Date Jan 31, 2014
Online Publication Date Dec 31, 2014
Publication Date Dec 31, 2014
Deposit Date Feb 11, 2020
Publicly Available Date Feb 11, 2020
Journal International Journal of Fluid Mechanics Research
Print ISSN 1064-2277
Electronic ISSN 2152-5110
Publisher Begell House
Peer Reviewed Peer Reviewed
Volume 41
Issue 6
Pages 536-546
Keywords Field operations; Flow partitioning; Fractured reservoirs; CFD
Public URL


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